Abstract
Previously unknown 4-[(alkylsulfanyl)methyl]-3,4-dimethylisoxazoles were prepared by the reaction of accessible 3-[(alkylsulfanyl)methyl]pentane-2,4-diones with hydroxylamine in ethanol under microwave irradiation and without it. Performing the heterocyclization under the conditions of microwave irradiation allows the reaction time to be decreased to 15 min and the yields to be increased to 89–95%. 4-[(Butylsulfanyl)methyl]-3,5-dimethylisoxazole exhibits antifungal activity toward Rhizoctonia solani and Fusarium oxysporum phytopathogenic fungi.
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ACKNOWLEDGMENTS
IR and 13С, 1Н NMR studies, analysis by liquid chromatography–mass spectrometry, and elemental analysis were performed using the equipment of the Chemistry Center for Shared Use, Ufa Institute of Chemistry, Ufa Federal Research Center, Russian Academy of Sciences.
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The study was performed within the framework of government assignments (theme nos. 122031400274-4 and 122031100163-4).
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Translated from Zhurnal Prikladnoi Khimii, No. 7, pp. 938–944, July, 2022 https://doi.org/10.31857/S0044461822070142
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Baeva, L.A., Biktasheva, L.F., Fatykhov, A.A. et al. Synthesis and Fungicidal Activity of 4-[(Alkylsulfanyl)methyl]-3,5-dimethylisoxazoles. Russ J Appl Chem 95, 1030–1035 (2022). https://doi.org/10.1134/S1070427222070151
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DOI: https://doi.org/10.1134/S1070427222070151